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Summary of Contents for Mareli Systems CB 25
- Page 1 Mareli Systems Combined Boiler MARELI “CB 25/35/48” Assembly and exploitation manual...
- Page 2 “Mareli Systems” expresses its gratitude towards the clients who purchased the manufactured products. • “Mareli Systems” provides the present manual as an aid to the team, which will install, adjust and main- tain the device, as well as to the client which will exploit it.
- Page 3 Mareli Systems e boiler consists of the following elements: • e heat exchanger comes in a two-door kit which is used depending on the fuel type(available for mounting the pellet burner); • e heat exchanger is a welded construction made of steel sheet material. In the front lower part there is a furnace chamber and underneath the ash container is placed.
- Page 4 Mareli Systems 3.Transport and assembly of the heating boiler If possible, transport the heating boiler without unwrapping it. Keep it on the pallet to the point of unloading. Unwrap in an ecologically clean manner. Respect, construction and ventilation requirements, especially the active norms for burning devices and storing of burning materials in the room where the unit will be installed.
- Page 5 Mareli Systems Connecting the safety heat exchanger In the countries where the EN 303-5 is in force, the heating boiler must be provided with overheating protection. By doing so the maximum water tem- perature of 100º С won’t be exceeded (overheating protection).
- Page 6 Mareli Systems • Set the red arrow to gauge the correct pressure of at least 1 bar overpressure (valid for closed systems). In open systems the maximum water level in expansion tank is 25 m above the bottom of the boiler.
- Page 7 Mareli Systems • If the lid doesn’t come o this means that the chamber is covered with tar. Hit the cleaning lid cautiously with a hammer several times. • Clean the walls of the heating surfaces, the combustion chamber and the reserve fuel chamber with a cleaning scoop.
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Page 8: Troubleshooting
Mareli Systems e point of irrigation of the burning products is at 65º С and for this reason the products temperature on the heating surfaces must not drop below 65º С If in the fuel reserve chamber condensation is formed, that indicates the presence of excessively high water content in the fuel (humid fuel). - Page 9 Mareli Systems CONTROL PANEL: USE AND FUNCTIONS The main frame shows: time and date, chrono activation, combustion power and recipe, functioning state, error code, main temperature, main thermostat, summer/winter mode. Button Function Exit Menu/Submenu; Ignition and extinguishing (push for 3 seconds), Reset errors (push for 3 seconds), Enable/disable chrono;...
- Page 10 Mareli Systems MESSAGES Description Code Sond Anomaly of the probes checking, during Check Up phase. Room temperature greater than 99 °C. Clean This message noti es that the planned hours of functioning are reached. Port Door Open. Ignition The message appears if the system is turned o during Ignition (after Preload) not manually: the system will stop only when it goes in Run Mode.
- Page 11 Mareli Systems CHRONO This Manu allows selecting the programming modalities and and the Ignition/Extinguishing time slots. Modality - It allows selecting the disired modality, or disable all set programming. Disable 1. Enter modi cation mode through the key P3. Daily 2.
- Page 12 Mareli Systems WIRING DIAGRAM SMB 50 ;...
- Page 13 Mareli Systems WIRING DIAGRAM SMB 35 ;...
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- Page 16 MARELI SYSTEMS disclaims any responsibility for possible inaccuracies contained in this manu- al if they are due to printing or transcription errors. We reserve the right to make any change that appears to be necessary or useful without harm the essential characteristics.